Translations:Bassin de culture de spiruline/13/en

The top chassis is a copy of the bottom chassis.

• Lay two new 3m long half-rafters on the legs, above the bottom frame ones, to make the length of the high frame.

TIP Start by screwing the half-chevrons on the corner legs and then on the central legs

• Lay the two half-chevrons that close the frame breadthwise,
• Install two central stiffeners, above the low frame and the central legs ones,
• Place a bracket of about 30 cm in each corner of the top frame.